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MAINSPRING ENERGY
Mainspring Energy
Energy · Menlo Park, California · United States · Founded · 2010 · ≈ · 531 · employees

Mainspring Energy competitors

Private

Mainspring Energy has 6 close competitors: Commonwealth Fusion Systems, Crusoe, Crusoe Energy Systems.

ProfileCompetitorsStock & IPOHow to invest
Peer set

Who competes with Mainspring Energy

Sector, valuation and status for each competitor.

company profileMainspring Energy›
Founded 2010United States
competitorCommonwealth Fusion Systems›
$5Blatest valuation
Founded 2018Private
competitorCrusoe›
$2.4Bas of Nov 2023
Founded 2021Private
competitorCrusoe Energy Systems›
$30Bas of Jul 2026
Founded 2018Private
competitorForm Energy›
$1.8Bas of Aug 2026
Founded 2017Private
competitorHelion Energy›
$15.5Bas of Jun 2026
Founded 2013Private
competitorIntersect›
$4.8Bas of Mar 2026
Founded 2020Acquired
Head-to-head

Mainspring Energy and its peers, side by side

A private valuation and a public market cap share one column; each row names its basis and date.

Company
Sector
Founded
Valuation / market cap
Status
HQ
On Canborsa
Mainspring Energy
Energy
2010
no figure
PRIVATE
United States
Company profile
Commonwealth Fusion Systems
Fusion energy
2018
$5B
PRIVATE
United States
Company profile
Crusoe
Energy / Cryptocurrency
2021
$2.4BNov 2023
PRIVATE
United States
Company profile
Crusoe Energy Systems
AI Infrastructure / Energy
2018
$30Brumored · Jul 2026
PRIVATE
United States
Company profile
Form Energy
Energy Storage
2017
$1.8BAug 2026
PRIVATE
United States
Company profile
Helion Energy
Fusion energy
2013
$15.5Bpost-money · Jun 2026
PRIVATE
United States
Company profile
Intersect
Energy / AI Infrastructure
2020
$4.8Bmarket cap · Mar 2026
ACQUIRED
United States
Company profile
Context · reading the peer set

Where Mainspring Energy meets its rivals

What Mainspring Energy sells, and where the rivals meet it

Thermal power generation company developing linear generator technology that converts thermal energy from chemical or renewable fuels to electricity

Mainspring Energy competes with 6 companies here: Commonwealth Fusion Systems, Crusoe, Crusoe Energy Systems, Form Energy, Helion Energy, Intersect.

Mainspring Energy on Canborsa
MarketClosest: CL-PERP
Fees0.07% per side · 0.14% round-trip
Fundingevery 1h

Mainspring Energy competitors — frequently asked questions

How can I get exposure to Mainspring Energy?›

The routes section explains what is realistically available for a company at this stage.

Is Mainspring Energy publicly traded?›

No. Mainspring Energy is a private company; its shares do not trade on a public exchange.

Who are Mainspring Energy's competitors?›

The closest energy peers are on the competitors page.

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